12011303221203 has 64 divisors (see below), whose sum is σ = 19073738331648. Its totient is φ = 6627444357120.

The previous prime is 12011303221189. The next prime is 12011303221283. The reversal of 12011303221203 is 30212230311021.

It is not a de Polignac number, because 12011303221203 - 2¹³ = 12011303213011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12011303221203.

It is not an unprimeable number, because it can be changed into a prime (12011303221283) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20830525 + ... + 21399377.

It is an arithmetic number, because the mean of its divisors is an integer number (298027161432).

Almost surely, 2^{12011303221203} is an apocalyptic number.

12011303221203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12011303221203 is a deficient number, since it is larger than the sum of its proper divisors (7062435110445).

12011303221203 is a wasteful number, since it uses less digits than its factorization.

12011303221203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569556.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12011303221203 its reverse (30212230311021), we get a palindrome (42223533532224).

The spelling of 12011303221203 in words is "twelve trillion, eleven billion, three hundred three million, two hundred twenty-one thousand, two hundred three".